How far is Baltimore, MD, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Baltimore (Baltimore–Washington International Airport) is 1847 miles / 2973 kilometers / 1605 nautical miles.
The driving distance from Helena (HLN) to Baltimore (BWI) is 2165 miles / 3484 kilometers, and travel time by car is about 39 hours 6 minutes.
Helena Regional Airport – Baltimore–Washington International Airport
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Distance from Helena to Baltimore
There are several ways to calculate the distance from Helena to Baltimore. Here are two standard methods:
Vincenty's formula (applied above)- 1847.175 miles
- 2972.740 kilometers
- 1605.151 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1842.770 miles
- 2965.651 kilometers
- 1601.323 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Helena to Baltimore?
The estimated flight time from Helena Regional Airport to Baltimore–Washington International Airport is 3 hours and 59 minutes.
What is the time difference between Helena and Baltimore?
The time difference between Helena and Baltimore is 2 hours. Baltimore is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Baltimore–Washington International Airport (BWI)
On average, flying from Helena to Baltimore generates about 204 kg of CO2 per passenger, and 204 kilograms equals 449 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Helena to Baltimore
See the map of the shortest flight path between Helena Regional Airport (HLN) and Baltimore–Washington International Airport (BWI).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | Baltimore–Washington International Airport |
|---|---|
| City: | Baltimore, MD |
| Country: | United States |
| IATA Code: | BWI |
| ICAO Code: | KBWI |
| Coordinates: | 39°10′31″N, 76°40′5″W |